STOCK TITAN

Energy Vault (NYSE: NRGV) director buys 85K shares in open‑market trades

(Moderate)
(Positive)
Form Type
4

Rhea-AI Filing Summary

Energy Vault Holdings, Inc. director Dylan Hixon reported indirect open‑market purchases of a total of 85,518 shares of common stock on August 14, 2026 at prices around $3.73–$3.75 per share. The transactions were made by two DHH Hixon Family Great Grandchildrens Trusts for Casimir and Soren Hixon and by his son, with Hixon reporting as trustee or related person and disclaiming beneficial ownership except for any pecuniary interest. After these trades, he reports 117,602 shares held directly and 900,065 shares held indirectly through Arden Road Investments LLC. The filing indicates the trades were not made under a Rule 10b5‑1 trading plan.

Positive

  • None.

Negative

  • None.
Insider Hixon Dylan
Role Director
Bought 85,518 shs ($320K)
Type Security Shares Price Value
Purchase Common Stock F1 26,845 $3.733 $100K
Purchase Common Stock F2 26,809 $3.733 $100K
Purchase Common Stock F3 31,864 $3.75 $119K
holding Common Stock -- -- --
holding Common Stock F4 -- -- --
Holdings After Transaction: Common Stock — 26,845 shares (Indirect, Held by DHH Hixon Family Great Grandchildrens Trust FBO Casimir R. Hixon); Common Stock — 26,809 shares (Indirect, Held by DHH Hixon Family Great Grandchildrens Trust FBO Soren A. Hixon); Common Stock — 31,864 shares (Indirect, By son); Common Stock — 117,602 shares (Direct); Common Stock — 900,065 shares (Indirect, Held by Arden Road Investments LLC)
Footnotes (4)
  1. F1. Mr. Hixon is the sole trustee of the DHH Hixon Family Great Grandchildrens Trust FBO Casimir R. Hixon. Mr. Hixon may be deemed to have beneficial ownership of the securities held by such trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.
  2. F2. Mr. Hixon is the sole trustee of the DHH Hixon Family Great Grandchildrens Trust FBO Soren A. Hixon. Mr. Hixon may be deemed to have beneficial ownership of the securities held by such trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.
  3. F3. This transaction involved the purchase of shares of common stock by the reporting persons son. The reporting person disclaims beneficial ownership of the securities held by his son, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.
  4. F4. Mr. Hixon is the sole trustee of the "Dylan Trust under the JMH-ICH Lex Trust" which holds shares in Arden Road Investments LLC. Mr. Hixon may be deemed to have beneficial ownership of the securities held by the Dylan Trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.
Shares purchased (Casimir trust) 26,845 shares Common Stock bought on August 14, 2026 at $3.733 per share; indirect holding
Price per share (Casimir trust) $3.733 per share Open‑market or private purchase of 26,845 Common Stock shares on August 14, 2026
Shares purchased (Soren trust) 26,809 shares Common Stock bought on August 14, 2026 at $3.733 per share; indirect holding
Shares purchased (son) 31,864 shares Common Stock bought by reporting person’s son on August 14, 2026 at $3.75 per share
Total shares purchased 85,518 shares Aggregate buy transactions reported for August 14, 2026 in transaction summary
Direct holdings after transaction 117,602 shares Common Stock held directly by Dylan Hixon following the reported transactions
Indirect holdings via Arden Road Investments LLC 900,065 shares Common Stock indirectly held, with Hixon as sole trustee of the Dylan Trust holding LLC interests
beneficial ownership financial
"Mr. Hixon may be deemed to have beneficial ownership of the securities held"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
pecuniary interest financial
"disclaims beneficial ownership of such securities except to the extent of his pecuniary interest"
indirect financial
"ownership_type":"indirect","ownership_code":"I""
Section 16 regulatory
"beneficial owner of the securities for purposes of Section 16 or for any other purpose"
Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

FAQ

What did Dylan Hixon report in his Form 4 for NRGV?

He reported indirect purchases of 85,518 NRGV common shares on August 14, 2026, via family trusts and his son, at prices around $3.73–$3.75 per share, while disclaiming beneficial ownership except for his pecuniary interest.

How many NRGV shares were bought and at what prices in this Form 4?

The filing shows total purchases of 85,518 NRGV shares: 26,845 and 26,809 shares at $3.733 and 31,864 shares at $3.75 per share, all reported as open‑market or private transactions on August 14, 2026.

Were Dylan Hixon’s NRGV trades made under a Rule 10b5-1 plan?

No. The Form 4 indicates the Rule 10b5‑1 checkbox is not checked, so the reported August 14, 2026 NRGV stock purchases were not affirmed as being made under a Rule 10b5‑1 trading plan.

What are Dylan Hixon’s reported NRGV holdings after these transactions?

After the reported trades, Hixon lists 117,602 NRGV shares held directly and 900,065 shares held indirectly through Arden Road Investments LLC, in addition to the family trust and son holdings where he disclaims full beneficial ownership.

How are the family trust and son NRGV holdings treated in this Form 4?

Shares are held by two DHH Hixon Family Great Grandchildrens Trusts and by his son. Hixon is trustee for the trusts and may be deemed to have beneficial ownership, but he disclaims beneficial ownership except for any pecuniary interest in those securities.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Hixon Dylan

(Last)(First)(Middle)
4165 EAST THOUSAND OAKS BLVD, SUITE 100

(Street)
WESTLAKE VILLAGE CALIFORNIA 91362

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Energy Vault Holdings, Inc. [ NRGV ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/14/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock08/14/2026P26,845A$3.73326,845IHeld by DHH Hixon Family Great Grandchildrens Trust FBO Casimir R. Hixon(1)
Common Stock08/14/2026P26,809A$3.73326,809IHeld by DHH Hixon Family Great Grandchildrens Trust FBO Soren A. Hixon(2)
Common Stock08/14/2026P31,864A$3.7531,864IBy son(3)
Common Stock117,602D
Common Stock900,065IHeld by Arden Road Investments LLC(4)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Mr. Hixon is the sole trustee of the DHH Hixon Family Great Grandchildrens Trust FBO Casimir R. Hixon. Mr. Hixon may be deemed to have beneficial ownership of the securities held by such trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.
2. Mr. Hixon is the sole trustee of the DHH Hixon Family Great Grandchildrens Trust FBO Soren A. Hixon. Mr. Hixon may be deemed to have beneficial ownership of the securities held by such trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.
3. This transaction involved the purchase of shares of common stock by the reporting persons son. The reporting person disclaims beneficial ownership of the securities held by his son, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.
4. Mr. Hixon is the sole trustee of the "Dylan Trust under the JMH-ICH Lex Trust" which holds shares in Arden Road Investments LLC. Mr. Hixon may be deemed to have beneficial ownership of the securities held by the Dylan Trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.
Remarks:
/s/ Amy Blakeway, Chief Legal Officer08/17/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)